11129538502 has 8 divisors (see below), whose sum is σ = 16721543376. Its totient is φ = 5555690712.

The previous prime is 11129538499. The next prime is 11129538509. The reversal of 11129538502 is 20583592111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11129538509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4537738 + ... + 4540189.

It is an arithmetic number, because the mean of its divisors is an integer number (2090192922).

Almost surely, 2^11129538502 is an apocalyptic number.

11129538502 is a deficient number, since it is larger than the sum of its proper divisors (5592004874).

11129538502 is an equidigital number, since it uses as much as digits as its factorization.

11129538502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078542.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 11129538502 in words is "eleven billion, one hundred twenty-nine million, five hundred thirty-eight thousand, five hundred two".